Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Curls are the classic ...

Let sports scientist Ross Edgely teach you how to pack muscle on your biceps, forearms and shoulders by mastering bicep curls ...

When it comes to building strength and size in our biceps, many of us immediately reach for a pair of dumbbells or a barbell and start blasting through different curl variations. There’s no denying ...